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Jewel scarab
The Ruteline genus ''Chrysina'', or jewel scarabs (not to be confused with jewel beetles which are a different family), is a large genus of brightly colored, often metallic iridescent species, ranging from the southwestern edge of the United States as far south as Ecuador. The genus includes all the species formerly known as ''Plusiotis''. They are typically between 15-35mm in length, and are nocturnal in habits, coming readily to lights. The larvae live in rotting logs, while the adults commonly feed on foliage; they tend to be found in pine, juniper, or pine-oak forests, most commonly between 1000-3000m elevation. They are most diverse in countries such as Honduras, where as many as 15 species can be found in a single location. There are only 4 species which occur in the United States (see taxobox).
These beetles are very popular among collectors; many species are polymorphic, with rare color variants that can command high prices. One such specimen was featured on the cover of National Geographic Magazine (see (Jewel Scarabs at Nationalgeographic.com )). The majority of species are bright green, but metallic silver and gold are also common colors, and may be combined with green as in the common ''Chrysina gloriosa'' from the Madrean sky islands region.
==External links==
* (Generic Guide to New World Scarab Beetles )
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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